(19)

(11)

EP 2 187 985 A2

(12)

(88) Date of publication A3: 28.01.2010 (43) Date of publication: 26.05.2010 Bulletin 2010/21 (21) Application number: 08788312.0 (22) Date of filing: 14.08.2008

(51) International Patent Classification (IPC):  A61L 27/38(2006.01) (86) International application number: PCT/GB2008/002743 (87) International publication number: WO 2009/022133 (19.02.2009 Gazette 2009/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 14.08.2007 GB 0715806 07.11.2007 GB 0721840 13.05.2008 GB 0808645 (71) Applicant: Smith & Nephew, PLC London WC2N 6LA (GB)	(72) Inventors: LANGFORD, Kelly Heslington, York YO10 5DF (GB) BURDON, Drew Heslington, York YO10 5DF (GB) WHYTE, Muna Heslington, York YO10 5DF (GB) (74) Representative: Connors, Martin L.H. et al Smith & Nephew UK Limited Research Centre York Science Park Heslington York YO10 5DF Heslington York YO10 5DF (GB)